Cannabis Cultivation: Why pH Matters When Growing Marijuana?
pH is the measure of acid and water in the soil. The pH values in your soil determine how successful your cannabis plant will be with its growth and flowering stages.
A typical pH level is anywhere between 5.0 to 7.5, and the optimum pH range to grow cannabis plants are between 6.0 and 7.0.
Anywhere below 6.0 and above 7.0 will be potentially killing your plant.
The pH levels in soil affect the availability of nutrients at your cannabis plant’s roots, so you could be starving your plant if your pH levels are below 6.0.
The best pH levels for cannabis is a range, and not a specific number. This can further vary depending on the type of cannabis plant you are growing and its environment.
Cannabis plants grown in soil optimal growing range of pH levels is between 6.0 and 7.0
Cannabis plants grown in a soilless or hydroponic environment require pH levels between 5.6 to 6.5.
When growing cannabis plants, you are looking to maintain the pH values between one of the chosen ranges above.
If you are outside of the safe range of pH levels, you will be starving your plant of critical nutrients. You may start to see the cannabis plant leaves start to become pale and yellow due to their inability to absorb essential macronutrients or micronutrients.
Conclusion: Why pH Matters When Growing Cannabis
pH levels directly affect your cannabis plant roots ability to absorb nutrients. If your cannabis plant has low pH levels, then you may be starving your plant.
You will need to maintain your pH levels between 6.0-7.0 in soil and 5.6-6.5 in a soilless or hydro environment.
Monitoring and tracking pH levels is a regular activity performed by professional cannabis growers. Adjusting pH levels for your cannabis plant should be a slow and gradual process to avoid stressing the plant.
James King
James is an experienced writer and legal cannabis advocate in Australia. He answers all the questions about business, legalisation and medicinal cannabis.
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